| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | Industrial Grade | MT | 15489.2 | USD | 20251201 |
| Shandong Yihe Chem | China national standards | MT | 12860.55 | USD | 20251201 |
| Henan Leavit Chem | China national standards | MT | 12295.26 | USD | 20251201 |
| Shandong Yihe Chem | Industrial Grade | MT | 13425.85 | USD | 20251201 |
| Henan Leavit Chem | China national standards | MT | 12290.05 | USD | 20251129 |
| Jiangxi Ganfeng | Industrial Grade | MT | 13420.16 | USD | 20251129 |
| Shandong Yihe Chem | China national standards | MT | 12855.1 | USD | 20251128 |
| Shandong Hongyang Chem | Industrial Grade | MT | 15482.63 | USD | 20251128 |
| Henan Leavit Chem | China national standards | MT | 12290.05 | USD | 20251128 |
| Shandong Yihe Chem | Industrial Grade | MT | 13420.16 | USD | 20251128 |